What is the current water temperature in Fukuoka?

Q: What is the current water temperature in Fukuoka?

As of now, in Fukuoka, the water temperature is 12.3°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

Japan > Fukuoka

Water temperature in Fukuoka

Detailed information about the current water temperature in Fukuoka. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

54.1

°F

February 19, 06:55

Trend:

stable

Yesterday:

54.1°F

Tomorrow:

53.9°F

Sunrise:

06:59

Sunset:

18:06

Day Length:

11 h. 7 min.

Fukuoka in February

Minimum:

57.9°F

Average:

59.4°F

Maximum:

61.5°F

Sea water temperature in Fukuoka today

As of now, in Fukuoka, the water temperature is 54.1°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 1.0°F lower than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 56.7°F on 2017, while the historical minimum was 52.9°F on 2025.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 53.8°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Fukuoka

Date	Current Year actual* / forecast**	last year	10 years average
Feb 5	55.1°F	55.0°F	55.8°F
Feb 6	54.8°F	55.0°F	55.7°F
Feb 7	55.1°F	55.0°F	55.8°F
Feb 8	55.0°F	55.0°F	55.6°F
Feb 9	54.9°F	54.8°F	55.5°F
Feb 10	54.8°F	54.8°F	55.5°F
Feb 11	55.1°F	54.6°F	55.5°F
Feb 12	54.6°F	54.7°F	55.4°F
Feb 13	54.2°F	53.3°F	55.2°F
Feb 14	54.3°F	51.9°F	55.0°F
Feb 15	54.1°F	52.8°F	55.0°F
Feb 16	54.1°F	53.0°F	55.0°F
Feb 17	54.2°F	52.6°F	55.0°F
Feb 18	54.1°F	52.7°F	55.0°F
Feb 19	54.1°F	52.9°F	55.1°F
Feb 20	53.9°F	52.6°F	54.9°F
Feb 21	53.9°F	53.0°F	54.9°F
Feb 22	53.8°F	53.0°F	54.8°F
Feb 23	53.9°F	53.1°F	54.9°F
Feb 24	53.7°F	53.2°F	54.7°F
Feb 25	53.6°F	52.5°F	54.6°F
Feb 26	53.8°F	53.0°F	54.8°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Fukuoka by month

In Fukuoka, the months July through October offer comfortable swimming conditions, which amounts to 112 swimming days.

The warmest water in Fukuoka was recorded on August 4, 2024, reaching a 88.2°F. While the coldest temperature occurred on March 10, 2025, dipping to 51.7°F. The average readings by season are 58.5°F in Winter, 60.1°F in Spring, 77.8°F in Summer, and 73.5°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kitakyushu	53.5°F	30mi
Shimonoseki	53.5°F	39mi
Kumamoto	53.9°F	57mi
Nagasaki	58.2°F	66mi

* current water temperature in this city

** straight line distance from Fukuoka